Table 2.

Individual Item Information Including Original Measure and Factor Location

	NA		Somatic symptoms		Sleep problems		PA		Craving		Excluded
MNWS	Angry, irritation, frustration	Difficulty concentrating	Constipationc	Nauseae	Insomnia, sleep problems, awakening at night				Desire/craving to smoke		Increased app./hungry /weight gainb
	Anxious, nervous	Impatient	Dizzinessd	Sore throat	Restless
	Depressed mood, sad	Restless	Coughing		Dreaming or nightmares
QSU-B									Desire for a cigarette right now	Urge for a cigarette
									Nothing better than cigarette	Cigarette would taste good
									I would smoke right now	Do anything for a cigarette
									Control things if smoke	Smoking less depressed.
									All I want right now is a cigarette	Smoke ASAP
PANAS-NA	Distressed	Irritable
	Upset	Ashamed
	Guilty	Nervous
	Scared	Jittery
	Hostile	Afraid
PANAS-PA							Interested	Alert
							Excited	Inspired
							Strong	Determined
							Enthusiastic	Attentive
							Proud	Active
SEC	Irritability	Disturbance in attention	Nauseae	Headache	Sleep problems						Irregular heartbeata	Skin rednessa
	Depressed mood	Feeling of Weakness	Constipationc	Diarrhea	Insomnia						Suicidal thoughtsa	Chest painb
	Increased heart rate, palpitations	Hostility	Dry mouth	Abdominal pain	Abnormal dreams						Vomitinga	Weaknessa
	Anxiety		Gas	Flatulence							Skin swelling, rasha
	Agitation		Indigestion	Dizzinessd							Fatigueb

Bolded items were factor loading invariant in the 5-factor model. MNWS = Minnesota Nicotine Withdrawal Scale; NA = Negative Affect, PA = Positive Affect; PANAS = Positive and Negative Affect Schedule; QSU-B = Questionnaire of Smoking Urges-Brief; SEC= Side Effect Checklist.

^aDeleted for heavy skew.

^bDeleted for low or inconsistent factor loadings.

^c–eSingle indicator composites from items with identical content, composite repeated to show original measure locations.